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he knows a lot.A.because B.so C.but D.unless28.I like dancing, ______ I don’t have enough time to practice it.A.or B.so C.but D.because29.– How do you like this soap opera?– I think it’s very boring, ________ my mother always wants to watch it.A.if B.but C.or D.So30.He studies hard all the time, _________ he has made rapid progress in many ways.A.so B.because C.but D.yet31.You should return the digital camera to Sally ________she will get angry.A.so that B.because C.before D.or32.The dress is very nice, ________ it doesn’t look good on me.A.or B.but C.so D.until33.The glasses are in fashion ________ they don’t look good on me.A.but B.so C.a(chǎn)nd D.or34.The F1 driver is hugely talented, ________ he still works hard to achieve his goals.A.so B.but C.if D.though35.The team met a lot of difficulties, ______ they never gave up and won the game at last.A.or: B.a(chǎn)nd C.but D.so36.Stephen Hawking had a serious illness, _______ he kept studying physics.A.a(chǎn)nd B.but C.so D.or37.I’d love to go to the theatre tonight, _________ I am too busy.A.so B.or C.but D.a(chǎn)nd38.I was late for school today ______ I didn’t catch the early bus.A.because B.so C.but D.then39.Many people think movie stars are special, really they39??疾檫B詞辨析。分析句子可知,此處構(gòu)成“祈使句+解析:A【詳解】句意:露西,在關(guān)閉所有程序之前不要關(guān)掉電腦,否則你會有問題的。or否則,要不然;and和,表并列;but但是,表轉(zhuǎn)折;so所以,表結(jié)果。故選A。A.And和; B. So因此; C. But但是; D.Or否則,根據(jù)句意是“否則”的意思,故選D。A.And和; B. So因此; C. But但是; D.Or否則,根據(jù)句意是“否則”的意思,故選D。句意:我感覺很餓,因此我給自己買了一個三明治??键c:考查連詞辨析解析:B【解析】試題分析:but但是;so因此;or或者,否則;because因為。故選B。考查連詞辨析??疾檫B詞辨析。5.A【詳解】句意:——有些人認(rèn)為學(xué)生在家學(xué)習(xí)期間可能會浪費時間??疾椴⒘羞B詞的用法。根據(jù)上下句句意可解析:A【詳解】句意:——有些人認(rèn)為學(xué)生在家學(xué)習(xí)期間可能會浪費時間??疾椴⒘羞B詞的用法。根據(jù)上下句句意可知,空處的連詞表示轉(zhuǎn)折,應(yīng)為but,故選A。考查連詞辨析。根據(jù)上文“I didn’t have breakfa解析:B【詳解】句意:我今天早上沒吃早飯,所以我現(xiàn)在很餓。but但是,表轉(zhuǎn)折;so所以,表結(jié)果;or或者,表選擇;and和,表并列。7.A【詳解】句意:盡管他過去有200公斤重,但他現(xiàn)在已經(jīng)通過鍛煉減肥太多。Although盡管,引導(dǎo)讓步狀語從句;So因此,表示結(jié)果;Until直到……才,引導(dǎo)時間狀語從句;But但是解析:A【詳解】句意:盡管他過去有200公斤重,但他現(xiàn)在已經(jīng)通過鍛煉減肥太多。Although盡管,引導(dǎo)讓步狀語從句;So因此,表示結(jié)果;Until直到……才,引導(dǎo)時間狀語從句;But但是,表示轉(zhuǎn)折。8.D【解析】句意:馬丁沒有把他要的所有食物都吃光,所以他把其余的都拿走了。A. for連詞,因為,表示原因;B. or連詞,或者、否則,通常表示選擇,有時也表示轉(zhuǎn)擇;C. as連詞,引導(dǎo)原因狀語從句或時間主語從句;D. so連詞,所以,表示結(jié)果。故選:D。and和,而且,表示并列;but但是,表示轉(zhuǎn)折;or或者,否則;until直到…時候。and和,而且,表示并列;but但是,表示轉(zhuǎn)折;or或者,否則;until直到…時候。10.A【解析】試題分析:句意:外面很黑,因此我們必須慢慢摸著路行走。前后句表示因果關(guān)系,故答案為A。A. so 因此;B. but但是;C. for 為了; D. or否則,或者??键c:考查連詞的用法。and而且,表示遞進(jìn)關(guān)系;because因為,表示因果關(guān)系,but但是,表示轉(zhuǎn)折關(guān)系。and而且,表示遞進(jìn)關(guān)系;because因為,表示因果關(guān)系,but但是,表示轉(zhuǎn)折關(guān)系。故選C。本題考查并列復(fù)合句。結(jié)合句意,表示如果不盡快振作起來,他就會徹底輸?shù)舯荣?,故選D。本題考查并列復(fù)合句。結(jié)合句意,表示如果不盡快振作起來,他就會徹底輸?shù)舯荣?,故選D??疾檫B詞辨析,A. and和,表順承;B. then然后;C. so因此,表因果;D. or否則,表遞進(jìn),分析句子,結(jié)合選項,解析:D【詳解】句意:Jimmy很早就動身去機(jī)場了,否則他將趕不上飛機(jī)。14.B【詳解】句意邁克,不要害怕犯錯誤,否則你就永遠(yuǎn)不會有進(jìn)步。o